JB/T 3192.2-1999 This standard is a revision of JB 2267-86 "Accuracy of Spiral Bevel Gear Milling Machine". During the revision, only editorial changes were made according to relevant regulations, and the technical content was not changed. This standard is part of the JB/T 3192 "Spiral Bevel Gear Milling Machine" series of standards, which includes the following two parts: JB/T 3192.1-1999 Spiral Bevel Gear Milling Machine Parameters JB/T 3192.2-1999 Spiral Bevel Gear Milling Machine Accuracy Inspection JB/T 3192.3-1993 Spiral Bevel Gear Milling Machine Technical Conditions The standards that match this series of standards are: JB/T 8359-1996 Spiral Bevel Gear Milling Machine Cutter Head Spindle End This standard specifies the geometric accuracy and working accuracy inspection requirements and inspection methods of spiral bevel gear milling machines. This standard applies to spiral bevel gear milling machines with normal precision and maximum workpiece diameter of 125~1600mm processed by rolling cutting. This standard was first issued in July 1978 and first revised in January 1986. JB/T 3192.2-1999 Precision inspection of spiral bevel gear milling machines JB/T3192.2-1999 standard download decompression password: www.bzxz.net

ICS25.080.99
Machinery Industry Standard of the People's Republic of China
JB/T3192.2—1999
Spiral Bevel Gear Milling Machine
Issued on 1999-05-20
State Bureau of Machinery Industry
Precision Inspection
Implementation on 2000-01-01
JB/T31922—1999
This standard is a revision of JB2267—86 "Precision of Spiral Bevel Gear Milling Machine". During the revision, only editorial modifications were made in accordance with relevant regulations, and the technical content remained unchanged. Www.bzxZ.net
This standard is part of the JB/T3192
"Curve Bevel Gear Milling Machine" series of standards, which includes the following three parts: JB/T3192.1—1999
JB/T 3192.2—1999
JB/T3192—1993
Curve Bevel Gear Milling Machine Parameters
Curve Bevel Gear Milling Machine
Curve Bevel Gear Milling Machine
The standards supporting this series of standards are:
JB/T8359—1996
Curve Bevel Gear Milling Machine
This standard replaces JB2267—86 from the date of implementation. Precision inspection
Technical conditions
Disc spindle end
This standard is proposed by the National Technical Committee for Standardization of Metal Cutting Machine Tools. This standard is under the jurisdiction of the Bevel Gear Machine Tool Branch of the National Technical Committee for Standardization of Metal Cutting Machine Tools. The responsible drafting unit of this standard is Tianjin No. 1 Machine Tool Factory. This standard was first issued in July 1978 and revised for the first time in January 1986. 1
1 Scope
Machinery Industry Standard of the People's Republic of China
Precision inspection of spiral bevel gear milling machines
JB/T3192.2—1999
Replaces JB226786
This standard specifies the requirements and inspection methods for the geometric accuracy and working accuracy of spiral bevel gear milling machines. This standard is applicable to spiral bevel gear milling machines of ordinary accuracy grade processed by hobbing with a maximum workpiece diameter of 125~1600mm. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised. Parties using this standard should explore the possibility of using the latest versions of the following standards GB/T17421.1-1998 General rules for machine tool inspection Part 1: Geometric accuracy of machine tools under no-load or finishing conditions 3 General requirements
3.1 Refer to 3.1 in GB/T17421.1-1998 to adjust the installation level of the machine tool. When adjusting the installation level, the rotary plate is placed at 45° according to the scale cursor, and the other moving parts are placed in the middle of the stroke. Place a level on the saddle ring guide rail, and the readings of the level in the longitudinal and transverse directions shall not exceed 0.02/1000.
3.2 During the inspection, the actual order can generally be arranged according to the requirements of installation and disassembly of inspection tools and inspection convenience. 3.3 When inspecting the working accuracy, the inspection of the test piece should be carried out after fine milling. 3.4 When the measured length is different from the length specified in this standard, the tolerance shall be converted according to the measurable length in accordance with the provisions of 2.3.1.1 of GB/T17421.1-1998. When the converted result is less than 0.001mm, it shall still be calculated as 0.001mm. Approved by the State Bureau of Machinery Industry on May 20, 1999 and implemented on January 1, 2000
4 Geometric accuracy inspection
Inspection items
Tool spindle
Radial of journal
Tool spindle
Support end face
End face runout
125-200
>200-320
>320~500
>500~800
>800-1250
>1250~1600
125~200
>200~320
>320~500
>500-800
>800~1250
>1250~1600
Inspection tool
Indicator
Indicator
Inspection method
Refer to the relevant provisions of GB/T17421.1-1998 5.6.1.2.2
Fix the indicator so that the probe touches the surface of the tool spindle journal vertically. Rotate the spindle to inspect. The error is measured by the maximum difference in the indicator readings. Each journal surface should be inspected
Fix the indicator so that the probe touches the end face of the tool spindle bearing close to the maximum diameter. Rotate the spindle to inspect.
The error is measured by the maximum difference of the indicator reading. Each bearing end face should be inspected
JB/T3192.2-
Inspection items
End face runout of workpiece box spindle
125~200
>200~320
>320~500
>500-800
>800~1250
>1250-1600
Inspection tools
Indicator
Inspection method
Refer to the relevant provisions of GB/T17421.1-1998 5.6.3.2
Fix the indicator so that its probe touches the end face of the workpiece box spindle near the maximum diameter. Rotate the spindle for inspection.
The error is measured by the maximum difference of the indicator readingsJB/T3192.2-
Inspection items
Radial runout of the axis of the taper hole of the main
of the workpiece box
a Near the end of the main
shaft;
b Distance from point a
Inspection tools
Inspection rod
Indicator
Inspection method
Refer to the relevant provisions of GB/T17421.1-19985.6.1.2.3
Insert the inspection rod into the taper hole of the main
shaft of the workpiece box and fix the indicator so that its probe touches the cylindrical surface of the inspection rod: a Near the end of the main
b Distance from point a by L. Rotate the main
Pull out the inspection rod, turn it 90P relative to the taper hole of the main
, and reinsert the inspection rod. Test in sequence, four times in total.
The errors of a and b are calculated separately. The error is calculated as the average of the four measurement results of the indicator.
Inspection items
Parallelism of the main axis of the workpiece box to its
longitudinal movement:
A Workpiece box is at zero
B Upper limit
C Lower limit
B and C0.016||t t||B and C0.020
B and C0.030
B and C0.035
Inspection tools
Inspection rod
Indicator
Inspection method
Refer to the relevant provisions of GB/T17421.1-1998 5.4.12
Tighten the rotary plate and insert the inspection rod into the taper hole of the workpiece box spindle. Fix the indicator so that its probe touches the cylindrical surface of the inspection rod: a. upper generatrix; b. side generatrix. The workpiece box moves along the rotary plate guide rail and tightens the screws at both ends and the middle position of the specified measuring length L for inspection.
Then, rotate the workpiece box spindle together with the inspection rod 180° and measure again in the same way.
The errors of a and b are calculated separately. The error is calculated as half of the algebraic sum of the two measurement results.
Inspect the workpiece box at three heights (tightening screws): A. zero position (middle position); B. upper limit; C. lower limit.
JB/T3192.2-
Inspection items
Parallelism of the axis of the main axis of the workpiece box to the longitudinal movement of the bed saddle (or cradle seat)
Inspection tools
Inspection rod
Indicator
Inspection method
Refer to the relevant provisions of GB/T17421.1-1998 5.4.1.2
Insert the inspection rod into the taper hole of the main axis of the workpiece box. Adjust the rotary plate so that the side generatrix of the inspection rod is parallel to the longitudinal movement direction of the bed saddle (or cradle seat), and fix the indicator so that its probe touches the cylindrical surface of the inspection rod: a upper generatrix; b.Side busbar. Move the saddle (or rocker seat) along the bed rail for inspection.
Then, rotate the workpiece box spindle together with the inspection rod 180° and measure again in the same way.
Calculate the errors of a and b respectively. The error is calculated as half of the algebraic sum of the two measurement results.
JB/T3192.2-1
Inspection items
Coaxiality of the rotary axis of the cradle and the axis of the spindle of the workpiece box:
a At the center of the machine tool;
b Distance from point a
Inspection tools
Inspection rod
Indicator
Inspection method
Refer to the relevant provisions of GB/T17421.1-1998 5.4.42
The rotary plate is placed at the 90P position, the workpiece box is adjusted to the zero position according to the vertical scale of the column, and the saddle is placed in the working position.
Insert the inspection rod into the taper hole of the spindle of the workpiece box. Fix the indicator on the end face of the cradle so that its probe touches the cylindrical surface of the inspection rod: a. At the center of the machine tool; b. At a distance L from point a. Adjust the position of the slewing plate and the workpiece box on the column and rotate the cradle for inspection after tightening.
Then, rotate the workpiece box spindle together with the inspection rod 180° and measure again in the same way.
Calculate the errors of a and b respectively. The error is calculated as half of the algebraic sum of the two measurement results
JB/T3192.2-
Inspection items
Tool spindle
Axis and cradle
Coaxiality of axis
Axis of cradle
Directional movement
125~200
>200~320
>320~500
>500~800
>800~1250
>1250~1600||t t||125~200
>200~320
>320~500
>500~800
>800~1250
>1250~1600
Inspection tool
Indicator
Indicator
Inspection method
Refer to the relevant provisions of GB/T17421.1-1998 5.4.4.2
The eccentric drum (or slide plate) is adjusted to zero position according to the vernier scale.
Fix the indicator so that its probe touches the surface of the tool spindle journal. Rotate the cradle and adjust the eccentric drum for inspection
The error is calculated as half of the maximum difference in the indicator reading
The eccentric drum (or slide) is adjusted to zero position according to the vernier scale.
Install a test steel ball in the center hole of the tool spindle. Fix the indicator so that its flat probe touches the steel ball along the axis of the tool spindle. Rotate the cradle for inspection.
The error is measured by the maximum difference of the indicator readingsJB/T3192.2-
Inspection items
Tool spindle axis to
Saddle (or
Cranking table)
Moving plane
Inspection tools
Inspection rod
Indicator
Inspection method
Installing a test rod on the tool spindle support end face with its axis coinciding with the tool spindle axis. Fix the indicator on the saddle so that its probe touches the cylindrical surface of the test rod: a. Upper generatrix: b. Side generatrix. Move the saddle (or cradle) along the bed rail for inspection.
Then, rotate the tool spindle together with the test rod 180° and measure again in the same way.
The errors of a and b are calculated separately. The error is calculated as half of the algebraic sum of the two measurement results.
The eccentric drum is measured at three different positions, and the error is calculated as the maximum value of the errors measured each time
JB/T3192.2-
Inspection items
(1) The intersection of the rotating axis of the rotating plate and the main axis of the workpiece box:
A The workpiece box is at zero position;
B The upper pole||t t||C. Lower limit
(2) The workpiece
box is installed at different angles, and the
spindle axis position
is at the same height
125~200
B and do.030
>200~320
>320~500
>500~800
>800~1250| |tt||B and do.050
B and C0.060
B and co.080
B and c0.090
>1250~1600||t t||B and C0.100
125~200
>200-320
>320-500
>500-800
>8 00-1250
>1250-1600
Inspection
Spherical test rod
Indicator
Inspection method
Refer to the relevant provisions of GB/T17421.1-1998 (1) Insert a spherical test rod into the spindle taper hole of the workpiece box, so that the bearing surface of the test rod shoulder is close to the spindle end face, and the distance from the test rod shoulder bearing surface to the center of the sphere is E. Adjust the workpiece box to the dimension E according to the axial position and tighten it with screws.
Fix the indicator so that its flat probe touches the maximum diameter of the horizontal section of the test rod sphere, and measure at two mutually perpendicular positions a and b (as shown in the figure). Tighten the saddle so that the swivel plate rotates from one extreme position to another along the circular guide rail of the saddle, and tighten the swivel plate at the two extreme positions and the middle position for inspection. Calculate the errors of a and b respectively. The error is measured as the maximum difference in the indicator readings.
The workpiece box is inspected at three heights (tightening screws): A. zero position (middle position), B. upper limit, and C. lower limit (see GS diagram for positions A, B, and C). (2) The installation and movement of machine tool components are the same as item (1). The workpiece box is placed at the zero position (tightening screws) according to the vertical scale cursor, so that the flat probe of the indicator touches the highest vertex K of the round ball of the inspection rod.
The error is measured as the maximum difference in the indicator readings JB/T3192.2-2-
Inspection items
Tool spindle
Axis and cradle
Coaxiality of axis
Axis of cradle
Directional movement
125~200
>200~320
>320~500
>500~800
>800~1250
>1250~1600
125~200
>200~320
>320~500
>500~800
>800~1250
>1250~1600
Inspection tools
Indicator
Indicator
Inspection method
Refer to the relevant provisions of GB/T17421.1-1998 5.4.4.2
The eccentric drum (or slide) is adjusted to zero position according to the vernier scale.
Fix the indicator so that its probe touches the surface of the tool spindle journal. Rotate the cradle and adjust the eccentric drum for inspection
The error is half of the maximum difference of the indicator reading
The eccentric drum (or slide) is adjusted to zero position according to the vernier scale.
Install a test steel ball in the center hole of the tool spindle. Fix the indicator so that its flat probe touches the steel ball along the axis of the tool spindle. Rotate the cradle for inspection.
The error is measured by the maximum difference of the indicator readings JB/T3192.2-
Inspection items
Tool spindle axis to
Saddle (or
cradle seat)
Moving flat
Inspection tools
Inspection rod
Indicator
Inspection method
Refer to the relevant provisions of GB/T17421.1-1998Install a test rod on the end face of the tool spindle support so that its axis coincides with the axis of the tool spindle. Fix the indicator on the saddle so that its probe touches the cylindrical surface of the test rod: a. Upper generatrix: b. Side generatrix. Move the saddle (or rocker seat) along the bed rail for inspection.
Then, rotate the tool spindle together with the inspection rod 180° and measure again.
Calculate the errors of a and b separately. The error is calculated as half of the algebraic sum of the two measurement results.
The eccentric drum is measured at three different positions, and the error is calculated as the maximum value of the errors measured each time.
JB/T3192.2-
Inspection items
(1) Intersection degree between the rotating axis of the rotating plate and the axis of the main axis of the workpiece box:
A The workpiece box is at zero position;
B Upper pole||t t||C. Lower limit
(2) The workpiece
box is installed at different angles, and the
spindle axis position
is at the same height
125~200
B and do.030
>200~320
>320~500
>500~800
>800~1250| |tt||B and do.050
B and C0.060
B and co.080
B and c0.090
>1250~1600||t t||B and C0.100
125~200
>200-320
>320-500
>500-800
>8 00-1250
>1250-1600
Inspection
Spherical test rod
Indicator
Inspection method
Refer to the relevant provisions of GB/T17421.1-1998 (1) Insert a spherical test rod into the spindle taper hole of the workpiece box, so that the bearing surface of the test rod shoulder is close to the spindle end face, and the distance from the test rod shoulder bearing surface to the center of the sphere is E. Adjust the workpiece box to the dimension E according to the axial position and tighten it with screws.
Fix the indicator so that its flat probe touches the maximum diameter of the horizontal section of the test rod sphere, and measure at two mutually perpendicular positions a and b (as shown in the figure). Tighten the saddle so that the swivel plate rotates from one extreme position to another along the circular guide rail of the saddle, and tighten the swivel plate at the two extreme positions and the middle position for inspection. Calculate the errors of a and b respectively. The error is measured as the maximum difference in the indicator readings.
The workpiece box is inspected at three heights (tightening screws): A. zero position (middle position), B. upper limit, and C. lower limit (see GS diagram for positions A, B, and C). (2) The installation and movement of machine tool components are the same as item (1). The workpiece box is placed at the zero position (tightening screws) according to the vertical scale cursor, so that the flat probe of the indicator touches the highest vertex K of the round ball of the inspection rod.
The error is measured as the maximum difference in the indicator readings JB/T3192.2-2-
Inspection items
Tool spindle
Axis and cradle
Coaxiality of axis
Axis of cradle
Directional movement
125~200
>200~320
>320~500
>500~800
>800~1250
>1250~1600
125~200
>200~320
>320~500
>500~800
>800~1250
>1250~1600
Inspection tools
Indicator
Indicator
Inspection method
Refer to the relevant provisions of GB/T17421.1-1998 5.4.4.2
The eccentric drum (or slide) is adjusted to zero position according to the vernier scale.
Fix the indicator so that its probe touches the surface of the tool spindle journal. Rotate the cradle and adjust the eccentric drum for inspection
The error is half of the maximum difference of the indicator reading
The eccentric drum (or slide) is adjusted to zero position according to the vernier scale.
Install a test steel ball in the center hole of the tool spindle. Fix the indicator so that its flat probe touches the steel ball along the axis of the tool spindle. Rotate the cradle for inspection.
The error is measured by the maximum difference of the indicator readings JB/T3192.2-
Inspection items
Tool spindle axis to
Saddle (or
cradle seat)
Moving flat
Inspection tools
Inspection rod
Indicator
Inspection method
Refer to the relevant provisions of GB/T17421.1-1998Install a test rod on the end face of the tool spindle support so that its axis coincides with the axis of the tool spindle. Fix the indicator on the saddle so that its probe touches the cylindrical surface of the test rod: a. Upper generatrix: b. Side generatrix. Move the saddle (or rocker seat) along the bed rail for inspection.
Then, rotate the tool spindle together with the inspection rod 180° and measure again.
Calculate the errors of a and b separately. The error is calculated as half of the algebraic sum of the two measurement results.
The eccentric drum is measured at three different positions, and the error is calculated as the maximum value of the errors measured each time.
JB/T3192.2-
Inspection items
(1) Intersection degree between the rotating axis of the rotating plate and the axis of the main axis of the workpiece box:
A The workpiece box is at zero position;
B Upper pole||t t||C. Lower limit
(2) The workpiece
box is installed at different angles, and the
spindle axis position
is at the same height
125~200
B and do.030
>200~320
>320~500
>500~800
>800~1250| |tt||B and do.050
B and C0.060
B and co.080
B and c0.090
>1250~1600||t t||B and C0.100
125~200
>200-320
>320-500
>500-800
>8 00-1250
>1250-1600
Inspection
Spherical test rod
Indicator
Inspection method
Refer to the relevant provisions of GB/T17421.1-1998 (1) Insert a spherical test rod into the spindle taper hole of the workpiece box, so that the bearing surface of the test rod shoulder is close to the spindle end face, and the distance from the test rod shoulder bearing surface to the center of the sphere is E. Adjust the workpiece box to the dimension E according to the axial position and tighten it with screws.
Fix the indicator so that its flat probe touches the maximum diameter of the horizontal section of the test rod sphere, and measure at two mutually perpendicular positions a and b (as shown in the figure). Tighten the saddle so that the swivel plate rotates from one extreme position to another along the circular guide rail of the saddle, and tighten the swivel plate at the two extreme positions and the middle position for inspection. Calculate the errors of a and b respectively. The error is measured as the maximum difference in the indicator readings.
The workpiece box is inspected at three heights (tightening screws): A. zero position (middle position), B. upper limit, and C. lower limit (see GS diagram for positions A, B, and C). (2) The installation and movement of machine tool components are the same as item (1). The workpiece box is placed at the zero position (tightening screws) according to the vertical scale cursor, so that the flat probe of the indicator touches the highest vertex K of the round ball of the inspection rod.
The error is measured as the maximum difference in the indicator readings JB/T3192.2-1-1998 (1) Insert a spherical test rod into the spindle taper hole of the workpiece box, so that the bearing surface of the test rod shoulder is close to the spindle end face, and the distance from the test rod shoulder bearing surface to the center of the ball is E. Adjust the workpiece box to the dimension E according to the axial position and tighten it with screws.
Fix the indicator so that its flat probe touches the maximum diameter of the horizontal section of the test rod ball, and measure at two mutually perpendicular positions a and b (as shown in the figure). Tighten the saddle so that the rotary plate moves from one extreme position to another along the circular guide rail of the saddle, and tighten the rotary plate at the two extreme positions and the middle position for inspection. Calculate the errors of a and b respectively. The error is calculated as the maximum difference of the indicator readings.
Inspect the workpiece box at three heights (tightening screws) at A zero position (middle position), B upper limit, and C lower limit (see GS diagram for positions A, B, and C). (2) The installation and movement of machine tool components are the same as item (1). The workpiece box is placed at zero position (fastening screws) according to the vertical scale cursor, so that the flat probe of the indicator touches the highest vertex K of the round ball of the inspection rod.
The error is measured by the maximum difference of the indicator reading JB/T3192.2-1-1998 (1) Insert a spherical test rod into the spindle taper hole of the workpiece box, so that the bearing surface of the test rod shoulder is close to the spindle end face, and the distance from the test rod shoulder bearing surface to the center of the ball is E. Adjust the workpiece box to the dimension E according to the axial position and tighten it with screws.
Fix the indicator so that its flat probe touches the maximum diameter of the horizontal section of the test rod ball, and measure at two mutually perpendicular positions a and b (as shown in the figure). Tighten the saddle so that the rotary plate moves from one extreme position to another along the circular guide rail of the saddle, and tighten the rotary plate at the two extreme positions and the middle position for inspection. Calculate the errors of a and b respectively. The error is calculated as the maximum difference of the indicator readings.
Inspect the workpiece box at three heights (tightening screws) at A zero position (middle position), B upper limit, and C lower limit (see GS diagram for positions A, B, and C). (2) The installation and movement of machine tool components are the same as item (1). The workpiece box is placed at zero position (fastening screws) according to the vertical scale cursor, so that the flat probe of the indicator touches the highest vertex K of the round ball of the inspection rod.
The error is measured by the maximum difference of the indicator reading JB/T3192.2-
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